Granted Patent
Utility
US 6,802,191 · App. 09/837,983
Controlled collapse of depressed index optical fiber preforms
Inventors:
Yoram Hazan, John B. MacChesney, Eric M Monberg, Thomas Edward Stockert
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Apr 19, 2001
Inventors
Yoram Hazan
John B. MacChesney
Eric M Monberg
Thomas Edward Stockert
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.